Chehalis Sheet Metal has been servicing homes and businesses in Lewis County and the surrounding areas for many years. We treat your home or business as if it were our own, and carry only the top brands and products. Each of our expert installers are certified in their fields, so you will get the best service possible from a company you can trust. CSM Heating, Cooling & Roofing offers Olympia and the surrounding area premier heating, cooling, and roofing products and services. CSM Heating & Cooling has come a long way from its beginning in a garage in 1962. With our newest location on Capitol Boulevard in Olympia, CSM Heating & Cooling continues to grow and expand within Thurston County.